膜接触-吸收法去除市政污水厂恶臭气体研究  

Removal of Odorous Gases from Municipal Sewage-treatment Plant with Membrane Contact Absorption Method

作　　者：郭学彬 赵珊[1,2,3] 常江 王佳伟[1,2,3] 彭浩 Guo Xuebin;Zhao Shan;Chang Jiang;Wang Jiawei;Peng Hao(Research and Development Center,Beijing Drainage Group Co.,Ltd.,Beijing 100124,China;Beijing Beipai Technology Co.,Ltd.,Beijing 100124,China;Beijing Engineering Research Center for Wastewater Reuse,Beijing 100124,China;CTA Hi-Tech Textiles Co.,Ltd.,Tianjin 301700,China)

机构地区：[1]北京城市排水集团有限责任公司科技研发中心,北京100124 [2]北京北排科技有限公司,北京100124 [3]北京市污水资源化工程技术研究中心,北京100124 [4]中纺新材料科技有限公司,天津301700

出　　处：《环境科学与管理》2023年第6期94-99,共6页Environmental Science and Management

基　　金：国家环境保护恶臭污染控制重点实验室开放基金资助(20200504)。

摘　　要：以PTFE中空纤维膜为膜接触器,采用碱性吸收液,开展膜接触吸收法对恶臭气体的去除研究。结果表明:气体流量增加,恶臭气体去除率降低,总传质效率增加;液体流量增加,恶臭气体去除率和总传质效率均增加;当气体流量为1 L·min^(-1),液体流量为0.6 L·min^(-1)时,对气体的综合处理效果最佳。在长时间运行过程中稳定性较好,H_(2)S、NH_(3)、VOC和臭气浓度平均去除率分别为96.99%、42.91%、55.24%和82.04%;H_(2)S的平均传质效率为33.41×10^(-5)m·s^(-1)。相较于传统化学吸收法,该法对气体处理效率高,单位时间处理气量大,膜组件可模块化,能够满足更高的标准要求,且经济性和安全性较好,预期具有广阔的发展应用前景。Using PTFE as membrane contact and alkaline as absorption solution,the removal of odor gas by membrane contact absorption method was studied.The results showed that with the increase of gas flow rate,the removal rate of odor gas decreased and the total mass transfer efficiency increased.With the increase of liquid flow rate,the removal rate of odor gas and the total mass transfer efficiency increased.When the gas flow rate was 1 L·min^(-1)and the liquid flow rate was 0.6 L·min^(-1),the comprehensive treatment effect of gas was the best.Under long-term operation conditions,the treatment effect of odor gas has maintained good stability.The average removal rates of hydrogen sulfide,ammonia,VOC and odor concentration are 96.99%,42.91%,55.24%and 82.04%respectively.The average mass transfer efficiency of hydrogen sulfide was 33.41×10^(-5)m/s.Compared with the traditional chemical absorption method,the membrane contact absorption method has high gas treatment efficiency,large gas treatment volume per unit time.The membrane module could be modular,which could meet its higher standard requirements for odor gas treatment.It has economic and secure and was expected to have broad development and application prospects.

关 键 词：恶臭气体 硫化氢 聚四氟乙烯膜 膜接触吸收 

分 类 号：X705[环境科学与工程—环境工程]